x11: fix rendering and input on XWayland#88
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Two fixes for XWayland where the Vulkan swapchain can be created before the compositor finishes its async surface handshake: - Call drawCallback() before entering the event loop to trigger an initial frame immediately on startup, which ensures the framebuffer is recreated at the correct size before any user interaction. - Remove the Decoration::Native guard from the Expose handler so that native-decorated windows (the most common standalone app case) also receive the forced framebuffer recreation on exposure.
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Two fixes for XWayland where the Vulkan swapchain can be created before the compositor finishes its async surface handshake:
Call drawCallback() before entering the event loop to trigger an initial frame immediately on startup, which ensures the framebuffer is recreated at the correct size before any user interaction.
Remove the Decoration::Native guard from the Expose handler so that native-decorated windows (the most common standalone app case) also receive the forced framebuffer recreation on exposure.